40
Diagnostic Flow Charts

No Power

There are three states of “No Power” indication by the power LED:
1. The power LED does not light up.
2. The power LED is green at power up. It then turns red a few seconds later
and blinks on and off.
3. The power LED is red at power up and never changes state.
No
Check the
P
-
Board.
Replace the defective
component.
Yes
Does the
power LED
turn on?
No
Do F900
and F901
measure
correctly?
The F Board is suspected to be
defective.
Yes